| 
  | 
  | ATA Bus Interface and ATA Commands  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
Word | 
  | 
  | Content Description | 
  | 
  | 
  | |
  | 
  | 
  | |
53  | Reserved  | ||
  | 
  | 
  | 
  | 
  | 2:  | 
  | 
  | 
  | 1  | = the fields reported in word 88 are valid.  | |
  | 0  | = the fields reported in word 88 are not valid  | |
  | 
  | 
  | 
  | 
  | 1:  | 
  | 
  | 
  | 1  | = the fields reported in words (70:64) are valid.  | |
  | 0  | = the fields reported in words (70:64) are not valid  | |
  | 
  | 
  | 
  | 
  | 0:  | 
  | Obsolete  | 
  | 
  | 
  | |
Obsolete  | 
  | ||
  | 
  | 
  | |
59  | Reserved  | ||
  | 
  | 
  | 
  | 
  | 8:  | 
  | 1 = Multiple sector setting is valid  | 
  | 
  | 
  | |
  | xxh = Current setting for number of sectors that shall be transferred per  | ||
  | 
  | 
  | interrupt on R/W Multiple command  | 
  | 
  | ||
Total number of user addressable sectors  | |||
  | 
  | 
  | |
62  | Obsolete  | 
  | |
  | 
  | 
  | |
63  | Reserved  | ||
  | 
  | 
  | |
  | 10:  | 
  | |
  | 1  | = Multiword DMA mode 2 is selected.  | |
  | 0  | = Multiword DMA mode 2 is not selected  | |
  | 
  | 
  | 
  | 
  | 9:  | 
  | 
  | 
  | 1  | = Multiword DMA mode 1 is selected.  | |
  | 0  | = Multiword DMA mode 1 is not selected  | |
  | 
  | 
  | 
  | 
  | 8:  | 
  | 
  | 
  | 1  | = Multiword DMA mode 0 is selected.  | |
  | 0  | = Multiword DMA mode 0 is not selected  | |
  | 
  | 
  | |
  | Reserved  | ||
  | 
  | 
  | 
  | 
  | 2:  | 
  | 1 = Multiword DMA mode 2 and below are supported  | 
  | 
  | 
  | 
  | 
  | 1:  | 
  | 1 = Multiword DMA mode 1 and below are supported  | 
  | 
  | 
  | 
  | 
  | 0:  | 
  | 1 = Multiword DMA mode 0 is supported  | 
  | 
  | 
  | |
64  | Reserved  | ||
  | 
  | 
  | |
  | PIO modes supported  | ||
  | 
  | 
  | 
  | 
Maxtor DiamondMax 8S 40GB SATA |